John Stewart's age can vary depending on the specific storyline and continuity in DC Comics. Generally, though, he's often depicted as being in his 30s or 40s.
I don't think Vixen dated John Stewart in the comics. The comic plots didn't show such a romantic connection between them. Maybe in some alternate universes or fan-made stories, but not in the mainstream comic canon.
One of the great John Stewart Green Lantern stories is 'Mosaic'. It shows his leadership and the complex relationships within the Green Lantern Corps. He had to deal with a shattered world and bring its pieces together, both literally and figuratively.
One key element is his military background as a Marine. It gives him the discipline and combat skills. Another is his strong sense of justice which made the Green Lantern ring choose him.
John Stewart's origin is quite an interesting one. He was living his life as a Marine, having his own set of skills and experiences. Then, out of the blue, he got the opportunity to be a Green Lantern. The Green Lantern ring chose him. His origin story involves not just getting the power but also his growth. He had to face challenges from both within the Corps and from external enemies. His origin story is intertwined with his development as a character, his relationships with other Green Lanterns, and his struggle to protect the universe, which makes it a great and complex origin story in the DC Comics world.
Sure. 'Emerald Dawn' is a great one. It delved into John Stewart's origin as a Green Lantern. It showed how he was chosen and his initial struggles with the power and the responsibilities that came with it.
Well, 'Green Lantern: The Sinestro Corps War' is quite popular. It has intense battles and John Stewart plays a significant role in the fight against the Sinestro Corps. The story is action - packed and the art really brings the epic battles to life.
One great one is 'Green Lantern: Mosaic'. It shows John Stewart's unique journey in building a community on a world filled with diverse cultures. His leadership skills and the challenges he faces are well - presented in this graphic novel.